-- Dodanie domyślnego konta administratora
INSERT INTO `users` (`username`, `pin`, `points`, `avatar_level`, `role_id`) 
VALUES ('admin', '1234', 0, 1, 3)
ON DUPLICATE KEY UPDATE `role_id` = 3;

-- Dodanie domyślnego konta nauczyciela
INSERT INTO `users` (`username`, `pin`, `points`, `avatar_level`, `role_id`) 
VALUES ('nauczyciel', '1234', 0, 1, 2)
ON DUPLICATE KEY UPDATE `role_id` = 2; 